16358778142 has 16 divisors (see below), whose sum is σ = 29010641760. Its totient is φ = 6769149408.

The previous prime is 16358778133. The next prime is 16358778157. The reversal of 16358778142 is 24187785361.

It is a self number, because there is not a number n which added to its sum of digits gives 16358778142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20145873 + ... + 20146684.

It is an arithmetic number, because the mean of its divisors is an integer number (1813165110).

Almost surely, 2^16358778142 is an apocalyptic number.

16358778142 is a deficient number, since it is larger than the sum of its proper divisors (12651863618).

16358778142 is a wasteful number, since it uses less digits than its factorization.

16358778142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40292595.

The product of its digits is 2257920, while the sum is 52.

The spelling of 16358778142 in words is "sixteen billion, three hundred fifty-eight million, seven hundred seventy-eight thousand, one hundred forty-two".